ClassID:

205792

H01J2201/30434 - CPC Classification

Classification description:

Electrodes common to discharge tubes; Cold cathodes; Field emission cathodes characterised by the emitter shape Nanotubes

Recent Application in this class:
#1
20250379018
2025-12-11

CATHODES HAVING CARBON NANOTUBE (CNT) FIBERS WOUND ONTO GRAPHITE SUBSTRATES OR FRAMEWORKS

#2
20190287753
2019-09-19

Method for producing an electron emitter coated with a nanorod-containing coating

#3
20180156668
2018-06-07

Patterned focal plane arrays of carbon nanotube thin film bolometers with high temperature coefficient of resistance and improved detectivity for infrared imaging

#4
20180012723
2018-01-11

Vacuum electron tube with planar cathode based on nanotubes or nanowires

#5
20140292181
2014-10-02

Electron emission element and method for manufacturing the same

#6
20140292180
2014-10-02

Electron emission element and method for manufacturing the same

#7
20140055027
2014-02-27

Method for fabricating field emission cathode, field emission cathode thereof, and field emission lighting source using the same

#8
20130241389
2013-09-19

VACUUM FIELD EMISSION DEVICES AND METHODS OF MAKING SAME

#9
20130234025
2013-09-12

Electron gun emitting under high voltage, in particular for electron microscopy

#10
20130162137
2013-06-27

Field emission cathode device

#11
20130134860
2013-05-30

Conductive nanostructure, method for molding same, and method for manufacturing a field emitter using same

#12
20110059671
2011-03-10

Method for surface treating cold cathode

#13
20100285716
2010-11-11

FABRICATION METHOD OF CARBON NANOTUBE FIELD EMISSION CATHODE

#14
20100139771
2010-06-10

Photon enhanced thermionic emission

#15
20100133983
2010-06-03

METHOD FOR MANUFACTURING A FIELD EMITTER ELECTRODE USING THE ARRAY OF NANOWIRES

#16
20100084957
2010-04-08

Field emission electron source having carbon nanotube and manufacturing method thereof

#17
20100032313
2010-02-11

Apparatus and process for controlled nanomanufacturing using catalyst retaining structures

#18
20090236961
2009-09-24

Field emission electron source having a carbon nanotube needle

#19
20090224679
2009-09-10

High performance materials and processes for manufacture of nanostructures for use in electron emitter ion and direct charging devices

#20
20090115314
2009-05-07

Boron nitride nanotube paste composition, electron emission source including the same, electron emission device including the electron emission source, and backlight unit and electron emission display device including the electron emission device

#21
20080287030
2008-11-20

Method of fabricating carbide and nitride nano electron emitters

#22
20080157669
2008-07-03

Display device

#23
20080073554
2008-03-27

Spin-polarized electron source and spin-polarized scanning tunneling microscope

#24
20080029700
2008-02-07

Field emission electron gun and electron beam applied device using the same

#25
20080004380
2008-01-03

Composition and method for preparing electron emitter, electron emitter prepared therefrom, and flat panel display comprising the same

#26
20050098720
2005-05-12

Carbon nanotube electron ionization sources

#27
20050028602
2005-02-10

Ionization vacuum gauge